FSPSX vs. WCPNX

Last updated Jun 9, 2026

FSPSX (Fidelity International Index Fund) and WCPNX (Weitz Core Plus Income Fund) are both mutual funds - FSPSX is a Foreign Large Cap Equities fund tracking the MSCI EAFE Index, while WCPNX is a Intermediate Core-Plus Bond fund managed by Weitz. Over the past 10 years, FSPSX returned 8.99%/yr vs 3.17%/yr for WCPNX. At a 0.11 correlation, their price movements are largely independent. FSPSX charges 0.04%/yr vs 0.89%/yr for WCPNX.

Performance

FSPSX vs. WCPNX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity International Index Fund (FSPSX) and Weitz Core Plus Income Fund (WCPNX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FSPSX achieves a 6.61% return, which is significantly higher than WCPNX's 0.27% return. Over the past 10 years, FSPSX has outperformed WCPNX with an annualized return of 8.99%, while WCPNX has yielded a comparatively lower 3.17% annualized return.

FSPSX

• 1D: -2.44%
• 1M: -1.55%
• YTD: 6.61%
• 6M: 9.10%
• 1Y: 18.41%
• 3Y*: 16.03%
• 5Y*: 8.15%
• 10Y*: 8.99%

WCPNX

• 1D: -0.42%
• 1M: -0.41%
• YTD: 0.27%
• 6M: 0.89%
• 1Y: 5.64%
• 3Y*: 5.24%
• 5Y*: 1.85%
• 10Y*: 3.17%

*Multi-year figures are annualized to reflect compound growth (CAGR)

FSPSX vs. WCPNX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FSPSX Fidelity International Index Fund	6.61%	31.98%	3.70%	18.31%	-14.23%	11.45%	8.16%	22.03%	-13.55%	25.37%
WCPNX Weitz Core Plus Income Fund	0.27%	7.89%	4.10%	7.00%	-9.92%	1.60%	10.18%	7.39%	1.49%	2.83%

Correlation

The correlation between FSPSX and WCPNX is 0.42, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.42
Correlation (3Y) Calculated over the trailing 3-year period	0.31
Correlation (5Y) Calculated over the trailing 5-year period	0.24
Correlation (10Y) Calculated over the trailing 10-year period	0.12
Correlation (All Time) Calculated using the full available price history since Aug 4, 2014	0.11

Over the past year, FSPSX and WCPNX have become more correlated (0.42) than their long-term average of 0.11, meaning their price movements have been converging.

Return for Risk

FSPSX vs. WCPNX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

FSPSX

FSPSX Risk / Return Rank: 23
FSPSX Sharpe Ratio Rank: 21
FSPSX Sortino Ratio Rank: 21
FSPSX Omega Ratio Rank: 21
FSPSX Calmar Ratio Rank: 23
FSPSX Martin Ratio Rank: 27

WCPNX

WCPNX Risk / Return Rank: 26
WCPNX Sharpe Ratio Rank: 26
WCPNX Sortino Ratio Rank: 26
WCPNX Omega Ratio Rank: 25
WCPNX Calmar Ratio Rank: 29
WCPNX Martin Ratio Rank: 26

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

FSPSX vs. WCPNX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity International Index Fund (FSPSX) and Weitz Core Plus Income Fund (WCPNX). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

	FSPSX	WCPNX	Difference
Sharpe ratio: Return per unit of total volatility	1.25	1.36	-0.10
Sortino ratio: Return per unit of downside risk	1.81	2.00	-0.19
Omega ratio: Gain probability vs. loss probability	1.23	1.24	-0.02
Calmar ratio: Return relative to maximum drawdown	1.65	1.86	-0.21
Martin ratio: Return relative to average drawdown	6.18	5.80	+0.38
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FSPSX vs. WCPNX - Sharpe Ratio Comparison

The current FSPSX Sharpe Ratio is 1.25, which is comparable to the WCPNX Sharpe Ratio of 1.36. The chart below compares the historical Sharpe Ratios of FSPSX and WCPNX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	FSPSX	WCPNX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.25	1.36	-0.10
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.51	0.37	+0.14
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.54	0.76	-0.22
Sharpe Ratio (All Time) Calculated using the full available price history	0.49	0.84	-0.36

Drawdowns

FSPSX vs. WCPNX - Drawdown Comparison

The maximum FSPSX drawdown since its inception was -33.69%, which is greater than WCPNX's maximum drawdown of -13.63%. Use the drawdown chart below to compare losses from any high point for FSPSX and WCPNX.

Drawdown Indicators

	FSPSX	WCPNX	Difference
Max Drawdown Largest peak-to-trough decline	-33.69%	-13.63%	-20.06%
Max Drawdown (1Y) Largest decline over 1 year	-11.39%	-2.74%	-8.65%
Max Drawdown (3Y) Largest decline over 3 years	-13.58%	-5.17%	-8.41%
Max Drawdown (5Y) Largest decline over 5 years	-29.41%	-13.63%	-15.78%
Max Drawdown (10Y) Largest decline over 10 years	-33.69%	-13.63%	-20.06%
Current Drawdown Current decline from peak	-3.08%	-1.40%	-1.68%
Average Drawdown Average peak-to-trough decline	-6.55%	-2.18%	-4.37%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.04%	0.88%	+2.16%

Volatility

FSPSX vs. WCPNX - Volatility Comparison

Fidelity International Index Fund (FSPSX) has a higher volatility of 4.39% compared to Weitz Core Plus Income Fund (WCPNX) at 1.31%. This indicates that FSPSX's price experiences larger fluctuations and is considered to be riskier than WCPNX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FSPSX	WCPNX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.39%	1.31%	+3.08%
Volatility (6M) Calculated over the trailing 6-month period	12.33%	2.80%	+9.53%
Volatility (1Y) Calculated over the trailing 1-year period	14.99%	3.77%	+11.22%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.01%	5.00%	+11.01%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.57%	4.17%	+12.40%

FSPSX vs. WCPNX - Expense Ratio Comparison

FSPSX has a 0.04% expense ratio, which is lower than WCPNX's 0.89% expense ratio.

Dividends

FSPSX vs. WCPNX - Dividend Comparison

FSPSX's dividend yield for the trailing twelve months is around 2.96%, less than WCPNX's 4.92% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FSPSX Fidelity International Index Fund	2.96%	3.15%	3.27%	2.79%	2.66%	3.07%	1.84%	3.18%	2.79%	2.50%	3.08%	2.79%
WCPNX Weitz Core Plus Income Fund	4.92%	5.26%	6.15%	4.92%	3.04%	2.51%	5.07%	2.95%	2.55%	2.41%	3.72%	1.96%

Frequently Asked Questions

Can I hold both FSPSX and WCPNX in my portfolio?

FSPSX and WCPNX have a correlation of 0.42, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FSPSX or WCPNX?

FSPSX has higher volatility (4.39%) compared to WCPNX (1.31%). In terms of maximum drawdown, FSPSX dropped -33.69% vs WCPNX's -13.63%.

Which has better risk-adjusted returns?

WCPNX currently has the higher Sharpe Ratio (1.36 vs 1.25), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.